Before reading further, check your Shiptheory account is connected to your Magento account.
You can do this by going to https://shiptheory.com/magento/edit and hitting the test connection button:
If you don't get the success message check this article to help get your connection configured first.
You'll also need to confirm from https://shiptheory.com/magento/edit which unit of measurements you use for your products in your Magento store.
If you you are likely to process lots of shipments in bulk, you can send multiple orders to Shiptheory from the order view page. Select the checkboxes on the left hand side and from the menu on the top right, select 'Ship Orders' option from the action's drop down.
This will create shipments for the selected orders, which inturn will arrive in your Shiptheory account, navigate to https://shiptheory.com/shipments .
Here you'll have an 'All' tab, clicking the all tab should show you all your shipment's irrespective of their status (see: statuses explained).
Your first shipment should be there, congratulations!
If you don't see any shipment's under the all tab, but you think there should be, our support guys and gals will be more than happy to help
Other articles you may now want to check out :